/* 接码平台 - 前台样式 */
:root {
    --primary: #4F46E5;
    --primary-dark: #4338CA;
    --primary-light: #EEF2FF;
    --success: #10B981;
    --danger: #EF4444;
    --warning: #F59E0B;
    --bg: #F8FAFC;
    --card: #FFFFFF;
    --text: #1E293B;
    --text-secondary: #64748B;
    --border: #E2E8F0;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
}

/* Header */
.header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.header .logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}
.header .logo span { color: var(--text); font-weight: 400; font-size: 14px; }
.header .nav { display: flex; gap: 8px; align-items: center; }
.header .nav a, .header .nav button {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    background: none;
    color: var(--text);
}
.header .nav a:hover, .header .nav button:hover { background: var(--primary-light); color: var(--primary); }
.header .nav .btn-primary { background: var(--primary); color: #fff; }
.header .nav .btn-primary:hover { background: var(--primary-dark); color: #fff; }
.header .nav .balance { font-weight: 600; color: var(--success); font-size: 14px; }

/* Container */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }

/* Hero */
.hero {
    text-align: center;
    padding: 48px 20px;
    background: linear-gradient(135deg, var(--primary) 0%, #7C3AED 100%);
    color: #fff;
    border-radius: 0 0 24px 24px;
    margin-bottom: 32px;
}
.hero h1 { font-size: 32px; margin-bottom: 12px; }
.hero p { font-size: 16px; opacity: 0.9; margin-bottom: 24px; }
.hero .stats { display: flex; justify-content: center; gap: 40px; margin-top: 24px; }
.hero .stat-item { text-align: center; }
.hero .stat-item .num { font-size: 28px; font-weight: 700; }
.hero .stat-item .label { font-size: 13px; opacity: 0.8; }

/* Cards */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

/* Tabs */
.tabs { display: flex; gap: 4px; background: var(--bg); padding: 4px; border-radius: 10px; margin-bottom: 20px; }
.tab {
    flex: 1;
    padding: 10px 16px;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    background: none;
    color: var(--text-secondary);
}
.tab.active { background: var(--card); color: var(--primary); box-shadow: var(--shadow); }

/* Form */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; margin-bottom: 6px; color: var(--text); }
.form-control {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
    outline: none;
    background: var(--bg);
}
.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,0.1); }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748B' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: none; border: 1px solid var(--border); color: var(--text); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Service Grid */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
.service-item {
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--card);
}
.service-item:hover { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(79,70,229,0.15); }
.service-item.selected { border-color: var(--primary); background: var(--primary-light); }
.service-item .icon { font-size: 28px; margin-bottom: 8px; }
.service-item .name { font-size: 13px; font-weight: 500; }

/* Country Grid */
.country-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 8px; max-height: 300px; overflow-y: auto; }
.country-item {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s;
    background: var(--card);
}
.country-item:hover { border-color: var(--primary); }
.country-item.selected { border-color: var(--primary); background: var(--primary-light); color: var(--primary); }
.country-item .price { font-size: 11px; color: var(--success); margin-top: 4px; }

/* Number Display */
.number-display {
    text-align: center;
    padding: 32px;
    background: linear-gradient(135deg, #EEF2FF, #F5F3FF);
    border-radius: 16px;
    margin-bottom: 20px;
}
.number-display .phone {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary);
    margin-bottom: 8px;
}
.number-display .info { font-size: 14px; color: var(--text-secondary); }

/* SMS Code */
.sms-display {
    text-align: center;
    padding: 24px;
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    border-radius: 16px;
    margin-bottom: 20px;
}
.sms-display .code {
    font-size: 42px;
    font-weight: 700;
    letter-spacing: 6px;
    color: var(--success);
}
.sms-display .text { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }

/* Timer */
.timer { font-size: 14px; color: var(--text-secondary); text-align: center; margin: 12px 0; }
.timer .time { font-weight: 600; color: var(--warning); }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table th, table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14px; }
table th { background: var(--bg); font-weight: 600; color: var(--text-secondary); }
table tr:hover { background: #FAFAFA; }

/* Status Badge */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 500; }
.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-info { background: #DBEAFE; color: #1E40AF; }
.badge-pending { background: #F3F4F6; color: #374151; }

/* Modal */
.modal-overlay {
    display: none;
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
    background: var(--card);
    border-radius: 16px;
    padding: 32px;
    max-width: 420px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}
.modal h3 { font-size: 20px; margin-bottom: 20px; text-align: center; }
.modal .close {
    float: right;
    background: none; border: none; font-size: 24px;
    cursor: pointer; color: var(--text-secondary);
}

/* Steps */
.steps { display: flex; margin-bottom: 24px; }
.step {
    flex: 1;
    text-align: center;
    position: relative;
    font-size: 13px;
    color: var(--text-secondary);
}
.step::after {
    content: '';
    position: absolute;
    top: 14px;
    left: 60%;
    width: 80%;
    height: 2px;
    background: var(--border);
}
.step:last-child::after { display: none; }
.step .dot {
    width: 30px; height: 30px;
    border-radius: 50%;
    background: var(--border);
    color: #fff;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 600;
    margin-bottom: 6px;
}
.step.active .dot { background: var(--primary); }
.step.done .dot { background: var(--success); }
.step.active { color: var(--primary); font-weight: 600; }
.step.done { color: var(--success); }

/* Toast */
.toast {
    position: fixed; top: 20px; right: 20px; z-index: 300;
    padding: 12px 24px; border-radius: 8px;
    color: #fff; font-size: 14px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: none;
}
.toast.show { display: block; }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
@keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* Footer */
.footer { text-align: center; padding: 24px; color: var(--text-secondary); font-size: 13px; border-top: 1px solid var(--border); margin-top: 40px; }

/* Auth Pages */
.auth-container { max-width: 400px; margin: 60px auto; }
.auth-container .card { padding: 32px; }

/* Quick CDK */
.cdk-quick { display: flex; gap: 8px; margin-bottom: 16px; }
.cdk-quick input { flex: 1; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 24px; }
    .hero .stats { gap: 20px; }
    .service-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .number-display .phone { font-size: 24px; }
    .header .nav a { padding: 6px 10px; font-size: 13px; }
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty { text-align: center; padding: 40px; color: var(--text-secondary); }
.empty .icon { font-size: 48px; margin-bottom: 12px; }

/* Footer */
.footer a { color: var(--text-secondary); text-decoration: none; }
.footer a:hover { color: var(--primary); }

/* Auth Pages */
.auth-container { max-width: 400px; margin: 60px auto; }
.auth-container .card { padding: 32px; }

/* Quick CDK */
.cdk-quick { display: flex; gap: 8px; margin-bottom: 16px; }
.cdk-quick input { flex: 1; }

/* Responsive */
@media (max-width: 768px) {
    .hero h1 { font-size: 24px; }
    .hero .stats { gap: 20px; }
    .service-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
    .number-display .phone { font-size: 24px; }
    .header .nav a { padding: 6px 10px; font-size: 13px; }
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Empty state */
.empty { text-align: center; padding: 40px; color: var(--text-secondary); }
.empty .icon { font-size: 48px; margin-bottom: 12px; }